- Anticholinergics/Antispasmodics: trihexyphenidyl (Artane, Aparkan), benztropine (Cogentin), oxybutynin (Ditropan, Ditropan XL, Lyrinel XL, Oxytrol), darifenacin (Enablex), emepronium, flavoxate (Urispas), meladrazine, propiverine, solifenacin (Vesicare), tolterodine (Detrol, Detrol LA), trospium (Sanctura)